A Look Inside

At a first glance we already see a nicely and well-manufactured enclosure, which is a solid hint towards a high-quality product. Apart from an elegant design the paint job is good looking and well-executed.

As the name suggests, the Prime Titanium 600W Fanless has not been equipped with any fan and therefore it is entirely fanless. To optimize the airflow the top cover features a mesh structure on all sides, which allows for convection to do it's job as best as possible. Apart from that there are thermalpads between the PCB and the bottom plate, which further helps in dissipating heat.

Right behind the AC receptacle there starts the input filtering stage, where we find two X caps and two Y caps. Going one step further to the main PCB we see four Infineon 014N04LS OptiMOS Power-MOSFETs, which feature thermal resistance suitable for a fanless power supply. The line filtering includes four Y caps, one X cap and two large coils. Furthermore there is a TVS diode, which helps protecting the circuitry from voltage spikes. The PFC section is created with two FET 5R140Ps and a single diode.

On the secondary side there is a CM6901 PWM controller, which is clearly visible. All the capacitors come from Nichicon and Nippon Chemi-Con and are therefore of Japanese origin. Furthermore there is a Weltrend WT7527V power supply supervisor chip, which enables all the protective functions such as over voltage detection, under voltage detection, over current detection and quite a few more. The minor rails are controlled by an APW7159C and six 0906NS OptiMOS Power-MOSFETS from Infineon. Apart from that the secondary side features a daughter board which has been equipped with all the moduler connectors and it's been soldered to the main PCB allowing Seasonic to minimize efficiency losses. Last but not least soldering is on a very good level, which is what we've come to expect from Seasonic's high-end power supplies.

Page 1 - Introduction

Page 2 - Preview

Page 3 - Delivery / Specs

Page 4 - A Look Inside

Page 5 - Result Analysis and Discussion

Page 6 - Conclusion